<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        #lunbo {
            background-color: red;
            width: 300px;
            height: 200px;
            border: 3px solid gray;
            position: relative;
            background: url(../java.png);
            background-repeat: no-repeat;
            background-size: contain;
            background-position: center;
        }

        ul {
            list-style-type: none;
            position: absolute;
            right: 10px;
            bottom: 0px;
        }

        ul li {
            text-align: center;
            background-color: whitesmoke;
            float: left;
            margin-left: 3px;
            width: 20px;
            border: 1px solid gray;
        }
    </style>
</head>

<body>
    <div id="lunbo">
        <ul>
            <li>1</li>
            <li>2</li>
            <li>3</li>
        </ul>
    </div>
</body>

</html>